EP4050783A4 - Power supply circuit - Google Patents

Power supply circuit Download PDF

Info

Publication number
EP4050783A4
EP4050783A4 EP21797886.5A EP21797886A EP4050783A4 EP 4050783 A4 EP4050783 A4 EP 4050783A4 EP 21797886 A EP21797886 A EP 21797886A EP 4050783 A4 EP4050783 A4 EP 4050783A4
Authority
EP
European Patent Office
Prior art keywords
power supply
supply circuit
circuit
power
supply
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP21797886.5A
Other languages
German (de)
French (fr)
Other versions
EP4050783A1 (en
Inventor
Ting Huang
Chen Zhu
Yingqun FENG
Yupeng QIU
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Honor Device Co Ltd
Original Assignee
Honor Device Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Honor Device Co Ltd filed Critical Honor Device Co Ltd
Publication of EP4050783A1 publication Critical patent/EP4050783A1/en
Publication of EP4050783A4 publication Critical patent/EP4050783A4/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of dc power input into dc power output
    • H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
    • H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
    • H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
    • H02M3/158—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
    • H02M3/1582—Buck-boost converters
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/0003—Details of control, feedback or regulation circuits
    • H02M1/0025—Arrangements for modifying reference values, feedback values or error values in the control loop of a converter
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of dc power input into dc power output
    • H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
    • H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
    • H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
EP21797886.5A 2020-04-29 2021-04-28 Power supply circuit Pending EP4050783A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202010356259.5A CN111614254B (en) 2020-04-29 2020-04-29 Power supply circuit
PCT/CN2021/090677 WO2021219027A1 (en) 2020-04-29 2021-04-28 Power supply circuit

Publications (2)

Publication Number Publication Date
EP4050783A1 EP4050783A1 (en) 2022-08-31
EP4050783A4 true EP4050783A4 (en) 2023-01-18

Family

ID=72201260

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21797886.5A Pending EP4050783A4 (en) 2020-04-29 2021-04-28 Power supply circuit

Country Status (4)

Country Link
US (1) US20220416662A1 (en)
EP (1) EP4050783A4 (en)
CN (1) CN111614254B (en)
WO (1) WO2021219027A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111614254B (en) * 2020-04-29 2021-12-31 荣耀终端有限公司 Power supply circuit
CN115086562B (en) * 2022-07-25 2023-01-17 荣耀终端有限公司 Power supply circuit, power supply control method and electronic equipment

Citations (8)

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US6081673A (en) * 1998-02-16 2000-06-27 Olympus Optical Co., Ltd. Camera control circuit
US6343026B1 (en) * 2000-11-09 2002-01-29 Artesyn Technologies, Inc. Current limit circuit for interleaved converters
US20040119341A1 (en) * 2002-09-16 2004-06-24 Hickle Randall S. Battery backup method and system
US20050185352A1 (en) * 2004-02-06 2005-08-25 That Nguyen Generation and distribution of a dual-redundant logic supply voltage for an electrical system
US20130009470A1 (en) * 2011-07-06 2013-01-10 Htc Corporation System power integrated circuit and architecture, management circuit, power supply arrangement, and portable apparatus
US20140268890A1 (en) * 2013-03-13 2014-09-18 Analog Devices Technology Wide output voltage range switching power converter
WO2017207713A1 (en) * 2016-06-01 2017-12-07 Ascensia Diabetes Care Holdings Ag Systems, apparatus, and methods for powering electronic devices with low voltage batteries
US10594218B1 (en) * 2017-12-20 2020-03-17 Renesas Electronics America Inc. Hysteresis timing scheme for mode transition in a buck boost converter

Family Cites Families (20)

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Publication number Priority date Publication date Assignee Title
JP2005035062A (en) * 2003-07-17 2005-02-10 Funai Electric Co Ltd Ink ejection quantity controller of ink jet printer
US6969977B1 (en) * 2004-06-10 2005-11-29 National Semiconductor Corporation Soft-start voltage regulator circuit
US8358117B1 (en) * 2009-05-14 2013-01-22 Marvell International Ltd. Hysteretic regulator with output slope detection
US9024606B2 (en) * 2010-12-20 2015-05-05 California Institute Of Technology Low-to-medium power single chip digital controlled DC-DC regulator for point-of-load applications
CN201985759U (en) * 2011-02-28 2011-09-21 广州视源电子科技有限公司 DCDC (direct current direct current) output circuit
CN102751872B (en) * 2011-04-21 2016-04-06 登丰微电子股份有限公司 Feedback control circuit
TWI479789B (en) * 2012-11-06 2015-04-01 Wistron Corp Bias circuit and electronic apparatus
CN202978699U (en) * 2012-11-20 2013-06-05 深圳市同洲电子股份有限公司 Multiple-voltage switching device
CN103606884A (en) * 2013-11-25 2014-02-26 深圳市华星光电技术有限公司 Over-current protection circuit, LED backlight drive circuit and liquid crystal display
US9899913B2 (en) * 2014-01-10 2018-02-20 Samsung Electronics Co., Ltd. Dual-mode switching D.C.-to-D.C. converter and method of controlling the same
US9660516B2 (en) * 2014-12-10 2017-05-23 Monolithic Power Systems, Inc. Switching controller with reduced inductor peak-to-peak ripple current variation
CN104540293B (en) * 2014-12-31 2017-02-22 深圳市明微电子股份有限公司 Switching power driving chip, burning adjustment method and LED constant-current driving circuit
KR102452492B1 (en) * 2015-05-06 2022-10-07 삼성전자주식회사 Voltage converter and power management device including the same
JP6904079B2 (en) * 2017-06-14 2021-07-14 富士電機株式会社 Switching power supply
CN108233711A (en) * 2018-01-16 2018-06-29 四川安迪科技实业有限公司 A kind of LNB polarization power supplies power-supplying circuit
JP2019170073A (en) * 2018-03-23 2019-10-03 株式会社オートネットワーク技術研究所 Dcdc converter for vehicle
US10965212B2 (en) * 2018-04-17 2021-03-30 STMicroelectronics (Alps) SAS Switched-mode power supply with bypass mode
TWI679836B (en) * 2018-05-23 2019-12-11 通嘉科技股份有限公司 Synchronous rectifier applied to a secondary side of a power converter and operational method thereof
CN110881158B (en) * 2018-09-06 2021-09-28 芯洲科技（北京）有限公司 Integrated circuit device and audio playback device
CN111614254B (en) * 2020-04-29 2021-12-31 荣耀终端有限公司 Power supply circuit

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6081673A (en) * 1998-02-16 2000-06-27 Olympus Optical Co., Ltd. Camera control circuit
US6343026B1 (en) * 2000-11-09 2002-01-29 Artesyn Technologies, Inc. Current limit circuit for interleaved converters
US20040119341A1 (en) * 2002-09-16 2004-06-24 Hickle Randall S. Battery backup method and system
US20050185352A1 (en) * 2004-02-06 2005-08-25 That Nguyen Generation and distribution of a dual-redundant logic supply voltage for an electrical system
US20130009470A1 (en) * 2011-07-06 2013-01-10 Htc Corporation System power integrated circuit and architecture, management circuit, power supply arrangement, and portable apparatus
US20140268890A1 (en) * 2013-03-13 2014-09-18 Analog Devices Technology Wide output voltage range switching power converter
WO2017207713A1 (en) * 2016-06-01 2017-12-07 Ascensia Diabetes Care Holdings Ag Systems, apparatus, and methods for powering electronic devices with low voltage batteries
US10594218B1 (en) * 2017-12-20 2020-03-17 Renesas Electronics America Inc. Hysteresis timing scheme for mode transition in a buck boost converter

Also Published As

Publication number Publication date
US20220416662A1 (en) 2022-12-29
CN111614254A (en) 2020-09-01
EP4050783A1 (en) 2022-08-31
CN111614254B (en) 2021-12-31
WO2021219027A1 (en) 2021-11-04

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